Working at the campus art studio, you can make five blown-glass swans or ten blown-glass giraffes in the same amount of time. Your friend at the studio can make three blown-glass swans or five blown-glass giraffes in the same amount of time.
This means:
• you have an absolute advantage in both animals, but your friend has a comparative advantage in swans.
• your friend has an absolute advantage in both animals, but you have a comparative advantage in swans.
• your friend has an absolute advantage in swans, but you have a comparative advantage in swans.
• you have an absolute advantage in giraffes but a comparative advantage in swans.